A reference to something (or someone) that exists in a state of preposterous insanity. Defies even comical logic. Something that makes you think, 'WTF, is everyone going freaking crazy?'
Bob: Have you seen our friend Jenny's epic new full-back tattoo?
Sue: No, what is it?
Bob: It's a picture of Sarah Palin riding an Orca and brandishing an assault rifle while wearing a bikini made from wool shorn from Alaskan mountain sheep which had been previously injected from a helicopter via dart gun rounds infused with little bits of Ronald Reagan's DNA, while she also hoists a "Don't tread on me" Flag and a massive white cross that glows against the winter sun shining off her sexy, librarian rimmed eye-glasses.
Sue: Oh my, our friend Jenny and her new tattoo are very ridiculoco.